Worn surface morphology and element chemistry configuration of steel ball were analyzed by means of X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM).
用扫描电子显微镜和X射线光电子能谱仪观察分析了磨损表面形貌和元素化学形态。
Still, the search for better batteries is an endless one, and Dr Pyykko’s discovery might prompt some new thinking about what is possible in this and other areas of heavy-element chemistry.
而有关更好的电池材料的研究是没有止境的，Pyykko博士的发现也许给我们提供了一些新的思考方向——化学重金属在电池和其他地方还有什么作为？
Last week two different awards - the chemistry and the physics Nobels - went to groups of researchers working on the element, adding to an already sizeable number of prizes given for carbon research.
上周，两项诺奖——化学和物理奖归属于研究此元素的科学家群体，给本已可观的此类研究上的获奖数目更添一笔。
Listing 3 shows how the template can place child element content from the chemistry namespace into the rendered SVG.
清单3展示了模板如何将子元素内容从chemistry名称空间放入呈现的SVG中。
Although the easier ionization of radon leads one to expect the most extensive chemistry for that element, the high instability of even the most stable isotope has severely limited studies of it.
氡容易离子化，这让人期望，该元素有最广泛的化学反应，但是，这个元素最稳定的同位素也极不稳定，这使氡的研究受到了严重的约束。
Abstract Hybrid orbital theory is an important content of inorganic chemistry and structural chemistry in college text book, and it is the basis for further study of element compounds.
摘要杂化轨道理论是大学无机化学、结构化学课程的重要内容，是后续元素化合物学习的基础。
Element analysis is an important research area in analytical chemistry.
元素分析是分析化学一个重要的研究内容。
And it also state the research base in theory of evaluation of students' studying in chemistry in five-years term college according to multi-element intellectual theory and construction theory.
并从多元智能理论、建构主义学习理论等方面，阐述在五年制大专生中进行化学学习评价研究的理论基础。
Chemistry Part: Write an essay on any one element you choose.
化学部份：选择任意一种元素，撰写一篇有关该元素的文章。
The structures of the principal allotropic forms of all the elements will be discussed in detail as the chemistry of each element is treated.
各种元素的主要的同素异性体的结构，在研究各种元素的化学时再详细地讨论。
(physics and chemistry) the simplest structural unit of an element or compound.
(物理和化学)元素或化合物最简单的结构单位。
In addition, the wettability, interfacial chemistry, mechanical properties of metal matrix composites and finite element analysis about metal matrix composites are simply studied.
另外，对金属基复合材料的润湿性、界面反应、复合材料力学性能和有限元模拟作了简单介绍。
And the study of quantum chemistry in relation to the theory of relativity on the properties of element is just unfolding in a deep going way.
相对论量子化学对元素性质的深层次研究正方兴未艾。
The essay inspects the history from traditional alchemy, mediCal chemistry to the issue of "element theory"by Boyle, which is an important stip of the modern chemistry.
本文考察了从传统炼金术在由医药化学环节，到波义耳提出“元素说”，从而迈出近代化学关键一步的历史脉络；
The paper analyses the significance and character of the teaching of knowledge about element compounds in the experimental Chemistry textbook for Grade 9.
本文结合元素化合物知识教学的意义，分析九年级化学实验教科书元素化合物知识的特点，提出时元素化合物知识教学的要求和方法。
Chlorine is a volatile element in the acidic media for its activity in chemistry, and can be absorbed by alkali substance.
氯的化学性质活泼，在酸性介质中具有挥发性，由碱性物质吸收。
Chlorine is a volatile element in the acidic media for its activity in chemistry, and can be absorbed by alkali substance.
氯的化学性质活泼，在酸性介质中具有挥发性，由碱性物质吸收。
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